A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5835-01-462-5983
NSN 4140-00-699-0904
NSN 5905-00-734-5199
NSN 2925-01-247-8058
NSN 6610-01-562-0846
NSN 7035-00-631-3782
NSN 7035-01-551-1240
NSN 6320-01-495-1244
NSN 5960-01-142-1995
NSN 5975-00-001-6390
NSN 6240-01-370-4789
NSN 5905-01-237-2122